CN220656232U - Mechanical spring breather valve flame arrester - Google Patents

Abstract

The utility model relates to the technical field of flame arresters, in particular to a mechanical spring breather valve flame arrestor which comprises an upper breather valve shell, a lower breather valve shell and a flame arrestor body, wherein a base is fixedly arranged at the circumferential end part of the lower breather valve shell, a fixed vertical plate is fixedly arranged at the upper end part of the base, the upper breather valve shell is fixedly arranged at the side end part of the base, a transverse plate mechanism which is convenient for the flame arrestor body to use is arranged on the upper breather valve shell, the transverse plate mechanism comprises push plates and two pressure plates, and rectangular sliding grooves are formed in the side end parts of the fixed vertical plates. According to the utility model, the pressing plate, the triangular plate and the clamping ring are matched, so that the flame arrester body can be matched with flame arrester bodies of different specifications and sizes for installation when the flame arrester body is fixedly installed, the adaptability is high, the flame arrester body is sealed and installed by fixing the first sealing ring and the second sealing ring, and the sealing effect is ensured.

Description

Mechanical spring breather valve flame arrester

Technical Field

The utility model relates to the technical field of flame arresters, in particular to a mechanical spring breather valve flame arrestor.

Background

The fire arrester breather valve refers to a breather valve and a fire arrester, and the breather valve, the fire arrester and the matching use can be separated and used independently. The breather valve is an important accessory for protecting the safety of the oil tank, is arranged on the top plate of the oil tank and consists of a pressure valve and a vacuum valve. Flame arresters are safety devices used to prevent the spread of flames of flammable gases, liquids and to prevent backfire from causing explosions.

The existing flame arrester has the following defects when in use, when internal devices of the existing flame arrester need to be cleaned and replaced, the flame arrester, the upper casing of the breather valve and the lower casing of the breather valve need to be detached integrally, the disassembly steps are complicated, the disassembly efficiency is low, and the assembly is inconvenient.

Disclosure of Invention

In order to overcome the defects in the prior art, the utility model provides a mechanical spring breather valve flame arrester.

In order to solve the technical problems, the utility model provides the following technical scheme: the mechanical spring breather valve flame arrester comprises an upper breather valve shell, a lower breather valve shell and a flame arrester body, wherein a base is fixedly arranged at the circumferential end part of the lower breather valve shell, a fixed vertical plate is fixedly arranged at the upper end part of the base, the upper breather valve shell is fixedly arranged at the side end part of the base, a diaphragm mechanism which is convenient for the flame arrester body to use is arranged on the upper breather valve shell, the diaphragm mechanism comprises push plates and pressure plates, the number of the push plates is two, rectangular sliding grooves are formed in the side end parts of the fixed vertical plates, sliding rods are fixedly arranged at the side end parts of the push plates, T-shaped sliding grooves are formed in the side end parts of the two sliding rods, two T-shaped sliding blocks are fixedly arranged at the side end parts of the push plates, a pressing plate is fixedly arranged at the side end parts of the T-shaped sliding grooves, a triangular plate is fixedly arranged at the end part of the pressing plate, a clamping ring is fixedly arranged at the side end part of the pressing plate, a sealing ring is fixedly arranged at the side end part of the lower breather valve shell, a sealing ring is fixedly arranged at the side end part of the sealing ring, a threaded groove is fixedly arranged at the side end part of the sealing ring, and the threaded groove is fixedly arranged at the side end part of the sealing ring fixedly arranged at the threaded groove fixedly arranged at the side end part of the threaded groove, and the threaded groove fixedly arranged at the side end part of the sealing ring fixedly arranged at the threaded groove respectively, the directions of threads on two sides of the threaded rod from the middle are opposite.

As a preferable technical scheme of the utility model, a telescopic rod is fixedly arranged between two pushing plates, and springs are fixedly arranged between every two T-shaped sliding blocks.

As a preferable technical scheme of the utility model, each triangular plate is positioned on the inner side wall of the C-shaped limiting plate, and a rubber pad is fixedly arranged at the side end part of each clamping ring.

Compared with the prior art, the utility model has the following beneficial effects:

1. this device is through having set up push pedal, grip ring and flame arrester body matched with for the flame arrester body is convenient for carry out the dismouting, when need dismantle the cleaning change to the flame arrester body, rotate the threaded rod drive two grip rings no longer to carry out the centre gripping to the flame arrester body can, easy operation, the dismouting is efficient.

2. This device cooperatees through having set up clamp plate, set-square and grip ring, when carrying out fixed mounting to the flame arrester body, but the flame arrester body installation of different specification sizes of adaptation, and the suitability is high, carries out sealing installation to the flame arrester body through fixed first sealing washer and second sealing washer, has guaranteed sealed effect.

Drawings

FIG. 1 is a schematic view of the structure of the upper housing of the breather valve of the present utility model;

FIG. 2 is a schematic view of the structure of the flame arrester body of the present utility model;

FIG. 3 is a schematic view of the structure of the push plate of the present utility model;

fig. 4 is a schematic structural view of the clamping ring of the present utility model.

Wherein: 1. an upper housing of the breather valve; 11. a breather valve lower housing; 12. a flame arrester body; 13. a first seal ring; 14. a second seal ring; 2. a base; 21. fixing the vertical plate; 22. a mounting groove; 23. rectangular sliding grooves; 24. a connecting frame; 25. c-shaped limiting plates; 26. a threaded rod; 3. a push plate; 31. a T-shaped chute; 32. a slide bar; 33. a thread groove; 34. a telescopic rod; 4. a pressing plate; 41. a triangle; 42. a T-shaped slider; 43. a spring; 45. a clamping ring; 46. and a rubber pad.

Detailed Description

In order that the manner in which the above recited features, objects and advantages of the present utility model are obtained will become readily apparent, a more particular description of the utility model will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings. Based on the examples in the embodiments, those skilled in the art can obtain other examples without making any inventive effort, which fall within the scope of the utility model. The experimental methods in the following examples are conventional methods unless otherwise specified, and materials, reagents, etc. used in the following examples are commercially available unless otherwise specified.

As shown in fig. 1, fig. 2, fig. 3 and fig. 4, the mechanical spring breather valve flame arrester comprises an upper breather valve housing 1, a lower breather valve housing 11 and a flame arrester body 12, a base 2 is fixedly arranged at the circumferential end part of the lower breather valve housing 11, a fixed vertical plate 21 is fixedly arranged at the upper end part of the base 2, the upper breather valve housing 1 is fixedly arranged at the side end part of the base 2, a diaphragm mechanism which is convenient for the flame arrester body 12 to use is arranged on the upper breather valve housing 1, the diaphragm mechanism comprises push plates 3 and pressure plates 4, the number of the push plates 3 is two, the side end parts of the fixed vertical plate 21 are provided with rectangular sliding grooves 23, the side end parts of the two push plates 3 are fixedly provided with sliding rods 32, the two sliding rods 32 are respectively arranged on the inner side walls of the rectangular sliding grooves 23, T-shaped sliding grooves 31 are respectively arranged at the side end parts of the two push plates 3, a pressure plate 4 is respectively fixedly arranged on the inner side walls of each T-shaped sliding groove 31, a third flame arrester 41 is respectively fixedly arranged at the end part of each pressure plate 4, a first sealing ring 45 is fixedly arranged at the side end part of each third sliding block 41, a sealing ring 12 is fixedly arranged at the upper side end part of the upper side wall of the side sliding plate 3, a sealing ring body and the sealing ring 13 is fixedly arranged at the second sealing ring 13, and the sealing ring 13 is fixedly arranged at the inner side wall of the sealing ring 13, and the sealing ring 13 is fixedly arranged at the second sealing ring 13, and sealing ring 13 is fixedly arranged at the inner side wall 13, and sealing ring 13 is fixed by the sealing ring 13, and sealing ring 13 is fixed in the sealing ring 13, and sealing effect is fixed in the sealing effect is fixed and 13 is in the case and when the upper sealing ring is mounted on the upper sealing ring and 13 is in the sealing case and 13;

two connecting frames 24 are fixedly arranged at the two side end parts of the fixed vertical plate 21, C-shaped limiting plates 25 are fixedly arranged at the side end parts of each connecting frame 24, a mounting groove 22 is formed in the upper end part of the fixed vertical plate 21 in a penetrating mode, a threaded rod 26 is rotatably arranged on the inner side wall of the mounting groove 22, threaded grooves 33 are formed in the upper end parts of two sliding rods 32 in a penetrating mode, threads of the threaded rod 26 are rotatably arranged on the inner side walls of the two threaded grooves 33, the threaded rod 26 is opposite in thread directions from the middle, a telescopic rod 34 is fixedly arranged between the two pushing plates 3, springs 43 are fixedly arranged between every two T-shaped sliding blocks 42, each triangular plate 41 is located on the inner side wall of each C-shaped limiting plate 25, rubber pads 46 are fixedly arranged at the side end parts of each clamping ring 45, at the moment, the threaded rod 26 can be rotated by a user, threads on the threaded rod 26 are matched with the two threaded grooves 33, the threaded rod 26 rotates to drive the two slide bars 32 to mutually approach through the two thread grooves 33, the two slide bars 32 mutually approach to drive the two push plates 3 mutually approach to drive the two groups of pressing plates 4 mutually approach to drive the two triangular plates 41 mutually approach to each other, because each triangular plate 41 is positioned in the C-shaped limiting plate 25, when the triangular plates 41 move, the pushing force of the C-shaped limiting plate 25 is applied to move to one side of the flame arrester body 12, each triangular plate 41 moves to drive the two groups of clamping rings 45 mutually approach to each other, the two groups of clamping rings 45 mutually approach to drive the two rubber pads 46 mutually approach to each other, the two rubber pads 46 mutually approach to clamp the first sealing ring 13 and the second sealing ring 14, the flame arrester body 12 is clamped and fastened through the first sealing ring 13 and the second sealing ring 14, after the flame arrester body 12 is clamped and fastened fixedly, the user may stop rotating the threaded rod 26.

Working principle:

when a user needs to fixedly install the flame arrester body 12, the flame arrester body 12 can be sleeved on the inner side walls of the first sealing ring 13 and the second sealing ring 14, at the moment, the user can rotate the threaded rod 26, threads on the threaded rod 26 are matched with the two thread grooves 33, the threaded rod 26 rotates to drive the two slide bars 32 to mutually approach through the two thread grooves 33, the two slide bars 32 mutually approach to drive the two push plates 3 mutually approach, the two push plates 3 mutually approach to drive the two groups of pressing plates 4 mutually approach, the two groups of pressing plates 4 mutually approach to drive the two triangular plates 41 mutually approach, because each triangular plate 41 is positioned in the C-shaped limiting plate 25, when the triangular plates 41 move, the thrust of the C-shaped limiting plate 25 moves to the side of the flame arrester body 12, each triangular plate 41 moves to drive the two groups of clamping rings 45 to mutually approach, the two groups of clamping rings 45 are mutually close to drive the two rubber pads 46 to mutually close, the two rubber pads 46 mutually close to clamp the first sealing ring 13 and the second sealing ring 14, the fire arrestor body 12 is clamped and fastened through the first sealing ring 13 and the second sealing ring 14, after the fire arrestor body 12 is clamped and fastened fixedly, a user can stop rotating the threaded rod 26, in the use of the existing fire arrestor body 12, when the internal components of the fire arrestor body 12 need to be cleaned and replaced, the fire arrestor body 12, the upper casing 1 of the breather valve and the lower casing 11 of the breather valve need to be integrally dismounted, the dismounting steps are complicated, the dismounting efficiency is low, the device is relatively inconvenient, the push plate 3, the clamping rings 45 and the fire arrestor body 12 are matched, the fire arrestor body 12 is convenient to dismount and mount, when the fire arrestor body 12 needs to be dismounted, cleaned and replaced, the threaded rod 26 rotates to drive two grip rings 45 no longer to carry out the centre gripping to flame arrester body 12 can, easy operation, the dismouting is efficient, and this device cooperatees through having set up clamp plate 4, set-square 41 and grip ring 45, when carrying out fixed mounting to flame arrester body 12, the flame arrester body 12 installation of adaptable different specification sizes, and the suitability is high, carries out sealing installation to flame arrester body 12 through fixed first sealing washer 13 and second sealing washer 14, has guaranteed sealed effect.

The embodiments of the present utility model have been described in detail with reference to the drawings, but the present utility model is not limited thereto, and various changes can be made within the knowledge of those skilled in the art without departing from the spirit of the present utility model.

Claims (6)

1. The mechanical spring breather valve flame arrester comprises a breather valve upper shell (1), a breather valve lower shell (11) and a flame arrester body (12), wherein a base (2) is fixedly arranged at the circumferential end part of the breather valve lower shell (11), a fixed vertical plate (21) is fixedly arranged at the upper end part of the base (2), and the breather valve upper shell (1) is fixedly arranged at the side end part of the base (2);

the transverse plate mechanism comprises push plates (3) and pressure plates (4), the number of the push plates (3) is two, rectangular sliding grooves (23) are formed in the side end portions of the fixed vertical plates (21), sliding rods (32) are fixedly arranged at the side end portions of the push plates (3), the sliding rods (32) are slidably arranged on the inner side walls of the rectangular sliding grooves (23), T-shaped sliding grooves (31) are formed in the side end portions of the push plates (3), two T-shaped sliding blocks (42) are slidably arranged on the inner side walls of the T-shaped sliding grooves (31), pressure plates (4) are fixedly arranged at the side end portions of the T-shaped sliding blocks (42), triangular plates (41) are fixedly arranged at the end portions of the pressure plates (4), and clamping rings (45) are fixedly arranged at the side end portions of the triangular plates (41).

2. The mechanical spring breathing valve flame arrester according to claim 1, characterized in that a first sealing ring (13) is fixedly mounted at the lower end of the breathing valve upper shell (1), a second sealing ring (14) is fixedly mounted at the upper end of the breathing valve lower shell (11), and the flame arrester body (12) is located on the inner side walls of the first sealing ring (13) and the second sealing ring (14).

3. Mechanical spring-type breather valve flame arrester according to claim 2, characterized in that two connecting frames (24) are fixedly mounted at both side ends of the fixed vertical plate (21), and a C-shaped limiting plate (25) is fixedly mounted at the side end of each connecting frame (24).

4. A mechanical spring breather valve flame arrester according to claim 3, characterized in that the upper end of the fixed vertical plate (21) is provided with a mounting groove (22) in a penetrating way, the inner side wall of the mounting groove (22) is provided with a threaded rod (26) in a rotating way, the upper ends of the two sliding rods (32) are provided with threaded grooves (33) in a penetrating way, the threaded rod (26) is provided with threads in a rotating way on the inner side walls of the two threaded grooves (33), and the threads on the two sides of the threaded rod (26) are opposite in directions from the middle.

5. Mechanical spring-type breather valve flame arrester according to claim 4, characterized in that a telescopic rod (34) is fixedly arranged between two push plates (3), and a spring (43) is fixedly arranged between each two T-shaped sliding blocks (42).

6. The mechanical spring-actuated respiratory valve flame arrester of claim 5 wherein each triangle (41) is located on the inside wall of a C-shaped limiting plate (25), and a rubber pad (46) is fixedly mounted to the side end of each clamping ring (45).